NO843199L - Framgangsmaate og dekoder for aa motta og dekode ei rekke signaler fra en sender - Google Patents

Framgangsmaate og dekoder for aa motta og dekode ei rekke signaler fra en sender

Info

Publication number
NO843199L
NO843199L NO843199A NO843199A NO843199L NO 843199 L NO843199 L NO 843199L NO 843199 A NO843199 A NO 843199A NO 843199 A NO843199 A NO 843199A NO 843199 L NO843199 L NO 843199L
Authority
NO
Norway
Prior art keywords
signal
detector
tone
frequency
circuit
Prior art date
Application number
NO843199A
Other languages
English (en)
Norwegian (no)
Inventor
Arman V Dolikian
Original Assignee
Motorola Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Motorola Inc filed Critical Motorola Inc
Publication of NO843199L publication Critical patent/NO843199L/no

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B14/00—Transmission systems not characterised by the medium used for transmission
    • H04B14/002—Transmission systems not characterised by the medium used for transmission characterised by the use of a carrier modulation
    • H04B14/004—Amplitude modulation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q1/00—Details of selecting apparatus or arrangements
    • H04Q1/18—Electrical details
    • H04Q1/30—Signalling arrangements; Manipulation of signalling currents
    • H04Q1/44—Signalling arrangements; Manipulation of signalling currents using alternate current
    • H04Q1/444—Signalling arrangements; Manipulation of signalling currents using alternate current with voice-band signalling frequencies
    • H04Q1/45—Signalling arrangements; Manipulation of signalling currents using alternate current with voice-band signalling frequencies using multi-frequency signalling
    • H04Q1/453—Signalling arrangements; Manipulation of signalling currents using alternate current with voice-band signalling frequencies using multi-frequency signalling in which m-out-of-n signalling frequencies are transmitted
    • H04Q1/4535—Signalling arrangements; Manipulation of signalling currents using alternate current with voice-band signalling frequencies using multi-frequency signalling in which m-out-of-n signalling frequencies are transmitted with an additional signal transmitted for voice protection

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Catching Or Destruction (AREA)
  • Medicines That Contain Protein Lipid Enzymes And Other Medicines (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Stereo-Broadcasting Methods (AREA)
NO843199A 1982-12-10 1984-08-10 Framgangsmaate og dekoder for aa motta og dekode ei rekke signaler fra en sender NO843199L (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/448,457 US4554542A (en) 1982-12-10 1982-12-10 Guard tone capture method

Publications (1)

Publication Number Publication Date
NO843199L true NO843199L (no) 1984-08-10

Family

ID=23780373

Family Applications (1)

Application Number Title Priority Date Filing Date
NO843199A NO843199L (no) 1982-12-10 1984-08-10 Framgangsmaate og dekoder for aa motta og dekode ei rekke signaler fra en sender

Country Status (10)

Country Link
US (1) US4554542A (da)
EP (1) EP0131018A1 (da)
JP (1) JPS59502169A (da)
AU (1) AU558072B2 (da)
CA (1) CA1210871A (da)
DK (1) DK385484A (da)
IL (1) IL70304A (da)
NO (1) NO843199L (da)
WO (1) WO1984002443A1 (da)
ZA (1) ZA838600B (da)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4642633A (en) * 1983-08-05 1987-02-10 Motorola, Inc. Individual simulcast station control system
JPS61196080A (ja) * 1985-02-21 1986-08-30 日産自動車株式会社 無線式利用者識別装置
JPS6238035A (ja) * 1985-08-12 1987-02-19 Nissan Motor Co Ltd 薄板型携帯機
JPS6238062A (ja) * 1985-08-12 1987-02-19 Nissan Motor Co Ltd 2値信号検出方法及び装置
JPS6278379A (ja) * 1985-09-30 1987-04-10 日産自動車株式会社 車両用施解錠制御装置
JPH0625503B2 (ja) * 1986-06-20 1994-04-06 日産自動車株式会社 解錠制御装置
US5327580A (en) * 1990-10-12 1994-07-05 Ericsson Ge Mobile Communications Inc. Full duplex RF repeater/base station providing microprocessor-controlled simultaneous CTCSS tone encode/decode
JP2598913Y2 (ja) * 1992-07-27 1999-08-23 ミツミ電機株式会社 データスライサ
US6569388B1 (en) * 1999-07-28 2003-05-27 The Ohio State University Research Foundation Carbonation ash reactivation process and system for combined SOx and NOx removal
US20030007918A1 (en) * 1999-07-29 2003-01-09 The Ohio State University Carbonation ash reactivation process and system for combined Sox and Nox removal
WO2003061302A2 (en) * 2002-01-11 2003-07-24 Hubbell Incorporated Scanning tone adapter for remote radio dispatch communication
US7228139B1 (en) * 2004-01-28 2007-06-05 On-Board Communications, Inc. Location processing system
US20050277383A1 (en) * 2004-06-10 2005-12-15 Reid Jeffrey T Trunking tone remote adapter and method for using the same
US8014324B2 (en) * 2008-11-25 2011-09-06 Cisco Technology, Inc. Tone signaling
US20110243064A1 (en) * 2010-03-31 2011-10-06 By Light Professional IT Services Systems, methods and devices for convergent communications using remote keying
US11567549B2 (en) * 2019-05-31 2023-01-31 Texas Instruments Incorporated Reset circuit for battery management system

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3341816A (en) * 1964-03-20 1967-09-12 Hughes Aircraft Co Amplitude range signal monitoring device
US3371317A (en) * 1965-07-23 1968-02-27 Ibm Automatic gain control for signal having plural discrete levels
US3506967A (en) * 1966-09-07 1970-04-14 Us Navy Amplitude level remote control system
US3544983A (en) * 1968-09-30 1970-12-01 Susquehanna Corp Signal level detector
US3577080A (en) * 1968-12-20 1971-05-04 Motorola Inc Remote control system for operation over same audiochannel providing voice signals between remote station and base station
GB1308078A (en) * 1969-03-07 1973-02-21 Licentia Gmbh Data transmission systems
US3704447A (en) * 1971-03-01 1972-11-28 Charles T Reader Remote to central monitoring system utilizing amplitude coding of signals
US3990048A (en) * 1973-11-23 1976-11-02 Xerox Corporation Carrier detect circuit
US4385398A (en) * 1979-06-07 1983-05-24 Keith H. Wycoff Selective call communication receiver
US4327356A (en) * 1979-06-19 1982-04-27 Gilliland John D Arrangement for monitoring the performance of a digital transmission system

Also Published As

Publication number Publication date
ZA838600B (en) 1984-06-27
IL70304A0 (en) 1984-02-29
DK385484D0 (da) 1984-08-10
WO1984002443A1 (en) 1984-06-21
AU2412484A (en) 1984-07-05
DK385484A (da) 1984-08-10
IL70304A (en) 1987-08-31
EP0131018A1 (en) 1985-01-16
CA1210871A (en) 1986-09-02
JPS59502169A (ja) 1984-12-27
US4554542A (en) 1985-11-19
AU558072B2 (en) 1987-01-15

Similar Documents

Publication Publication Date Title
DK170085B1 (da) Fremgangsmåde til nødopkald i et kommunikationssystem
FI76461B (fi) Personsoekningsanordning med visuell indikering av minnets tillstaond.
NO171530B (no) Linjekoblingskrets for traadloes telefon
US20090262790A1 (en) Method of recovery from active port tx failure in y-cable protected pair
US4554542A (en) Guard tone capture method
JPS62120600A (ja) 複合型検出器
US5742671A (en) Self-adjusting telephone line status detection indication
JPH08508139A (ja) 制御信号状態のモニタリングを利用するエスケープシーケンス
FI107413B (fi) Tuhonestovalvontajärjestelmä ja tuhonestovalvontamenetelmä
JPS61176227A (ja) デ−タ交換システム
JPH0628871Y2 (ja) 接点入力情報送信装置
KR100343072B1 (ko) 이동통신 시스템에서의 제어국과 기지국간 제어 메시지 전송장치 및 방법
US6385307B1 (en) Apparatus and method for overriding an automatic answer function of a telephone answering device
KR0136395B1 (ko) 교환기에서의 이상경보장치
JPH0575743A (ja) 自動通報装置
JP3261599B2 (ja) 光電式分離型煙感知器
KR100426474B1 (ko) 교환 시스템의 티-에스 스위치 구조에서 수신 데이터 감시장치
JPH0344252A (ja) 緊急連絡用自動発信方式
JPS575460A (en) Line switching system
JPH01123532A (ja) 回線自動切替装置
JPH0723128A (ja) 警備端末装置
JPH05266379A (ja) 光電式分離型煙感知器
JPH03209598A (ja) ワイヤレス伝送制御システム用ワイヤレス受信器
JPH04113736A (ja) 通信制御処理装置
JPS6444647A (en) Data transmission equipment